Look up lens in Wiktionary, the free dictionary.

A lens can be: Wikipedia does not have an article with this exact name. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ...

• Lens (optics), an optical element. See also Category:Lenses, and:
  • Lens (anatomy), a part of the eye
  • Corrective lens for vision correction.
  • Photographic lens, a special type of lens used in a camera. See also Category:Photographic lenses.
  • Sunglasses' lenses, which are light-attenuating elements
  • Hence:
    • Gravitational lens, an astronomical effect
    • Electrostatic lens, a device used to focus or collimate electron beams
    • a metaphor for a point of view
    • a science-fictional alien device in E. E. Smith's Lensman series, which gives its bearer telepathic and other abilities
• Lens (genus), the genus of the lentil plant
• Lens (geometry), a geometric shape formed from two arcs

There are also places called Lens: A lens. ... Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. ... A corrective lens is a lens worn on or before the eye, used to treat myopia, hypermetropia, presbyopia and astigmatism. ... Photographic lens One of Canons most popular wide angle lenses - 17-40 f/4 L The zoom lens of the Canon Elph A photographic lens (or more correctly, objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images... This article or section is missing references or citation of sources. ... This article is in need of attention from an expert on the subject. ... An electrostatic lens is a lens that transports electrons emitted from a sample to an electron analyser. ... Perspective in theory of cognition is the choice of a context or a reference (or the result of this choice) from which to sense, categorize, measure or codify experience, cohesively forming a coherent belief, typically for comparing with another. ... The Lensman series is a serial science fiction space opera by E. E. Smith. ... Species Lens culinaris - Lentils Lens ervoides Lens lamottei Lens nigricans Ref: ILDIS Version 6. ... A lens contained between two cirular arcs of radius R, and centers at O1 and O2 The shape of the portion of Kenny McCormicks face visible through his hood is almost a lens, although the arcs are either elliptical or parabolic rather than circular. ...

• Lens, Pas-de-Calais, France
  • RC Lens, its football (soccer) club
• Lens, Belgium
• Lens, Valais, Switzerland

People named Lens include: Lens is commune in northern France, in the Pas-de-Calais département. ... Racing Club de Lens is a French football club which plays in the northern city of Lens, in the Pas-de-Calais département. ... Lens is a municipality located in the Belgian province of Hainaut. ... Lens is a small, picturesque village in the Swiss canton of Valais, near to Crans-Montana. ...

• Louis Lens, Flemish rose breeder

LENS can be an abbreviation for: Louis Lens, son of rose-breeder Victor Lens, deceased in 2004, was the most esteemed rose breeder in the Benelux countries. ...

• Laser Engineered Net Shaping, a rapid prototyping technology capable of building fully-dense metal parts